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39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_StaticNamespacesContainer_H
51#define Patternist_StaticNamespacesContainer_H
52
53#include <private/qfunctioncall_p.h>
54
55QT_BEGIN_NAMESPACE
56
57namespace QPatternist
58{
59 /**
60 * @short A helper subclass that stores a NamespaceResolver for the static
61 * namespaces.
62 *
63 * This is used by functionality which needs to resolve names against the
64 * statically known namespaces, at runtime. A good example of this is @c
65 * function-available().
66 *
67 * The resolver is accessed through staticNamespaces(), which will be
68 * available after the typeCheck() stage.
69 *
70 * This class must be subclassed.
71 *
72 * @author Frans Englich <frans.englich@nokia.com>
73 * @ingroup Patternist_functions
74 */
75 class StaticNamespacesContainer : public FunctionCall
76 {
77 public:
78 /**
79 * Reimplemented to store data from the @p context.
80 */
81 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
82 const SequenceType::Ptr &reqType);
83
84 protected:
85 /**
86 * Before typeCheck(), behavior of this function is undefined. After
87 * typeCheck(), this function guarantees to return a valid pointer.
88 */
89 inline const NamespaceResolver::Ptr &staticNamespaces() const
90 {
91 Q_ASSERT(m_resolver);
92 return m_resolver;
93 }
94
95 /**
96 * This constructor only exists to ensure this class is subclassed.
97 */
98 inline StaticNamespacesContainer()
99 {
100 }
101
102 private:
103 NamespaceResolver::Ptr m_resolver;
104 };
105}
106
107QT_END_NAMESPACE
108
109#endif
110

source code of qtxmlpatterns/src/xmlpatterns/functions/qstaticnamespacescontainer_p.h